Photo: Arla
Arla’s cheese factory in Kalmar has a heat pump that collects and reuses residual heat from the production processes for heating the production area.
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Ann-Christin Bayard
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In 2007 Arla invested for a sustainable future in their production facility for cheese in Kalmar by installing a heat pump to collect and reuse residual heat from the production process. The heat pump has a maximum capacity of 950 kW.
With this arrangement Arla reduces environmental impact while saving money. Using a heat pump makes the utilization of energy in the processes more efficient, since it is partly recycled. The heat pump is located between the cooler in the plant and the outdoor cooler at the roof, which makes it possible to collect and recycle residual heat from the cooler, before it is led outside. The recycled energy is used to pre heat the ventilation air for the production facility.
The heat pump saved 2.4 GWh of energy during the first year in use. Given the current energy mix, this translates to a mitigation of 1,500 tons of carbon dioxide emissions, meanwhile Arla saved more than 1 million SEK in energy costs.
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